Burner-temperature-indicating mechanism



Dec. 9, 1924. 1,518,711

0. C. TRASK BURNER TEMPERATURE INDICATING MECHANISM Filed April 20, 1923Patented Dec. 9, 1924.

UNITED STATES 01m 0. TRASK, or TORONTO, ONTARIO, CANADA.

BURNER-TERIPERATURE-INDICATING MECHANISM.

Application filed April 20, 1923. Serial No. 633,566.

To all whom it may concern:

Be it known that I, ORR C. TRASK, a citizen of the United States.residin at T0- ronto, Ontario, Canada, have invented anew anduseful-Improvement in Burner-Temperaturelndicating Mechanism, of whichthe following is a specification, reference being had therein to theaccompanying drawings.

In the construction of apparatus designed for the propulsion ofautomobiles by steam, it is the practice to provide a boiler which issupplied with water and to also provide means for heating the water inthe boiler in order to produce the steam for the running of the vehicle.

This heating device usually consists of a main burner and a pilot burnerwhose respective duties are the generating of steam for the running ofthe vehicle and the maintenance of suflicient steam so that when thevehicle is left standing for a period. it is possible to again operatethe same without great delay in raising steam.

These pilot burners usually consist of a tubular member having slotstherein and a feed pipe which feeds vaporized fuel there- 1n.

In the operation of steam automobiles. I have found that the pilotburner flame oftentimes dies out without the knowledge of the driver,with the result that the vapor ized fuel is fed therein and does notburn with the consequent result that the water in the boiler is allowedto cool. This escaping fuel is likewise a dangerous element from anexplosive standpoint.

It is the prime object of my invention to overcome this difficulty byproviding means for indicating such condition to the driver of thevehicle immediately upon its hap' pening.

Another object of my invention is to provide such a mechanism of simpleand compact structure and one easy of manufacture and assembly.

With these and other obiects in view, my invention consists in thearrangement, combination and construction of the various arts of myimproved device as described 1n the specification, claimed in my claimand shown in the accompanying drawings, in which:

Fig. 1 is a view looking upwardly from the ground at a steam boiler witha pilot burner attached thereto and showing an indicating machine inoperable connection therewith.

Fig. 2 is a plan view of a pilot burner showing an indicating mechanismattached thereto and Fig. 3 is a sectional view taken on line 3 s ofFig. 2.

I have shown a conventional steam boiler 1 having disposed thereinconventional tubes 2 and provided with the usual pilot burner 3 In thepractical operation of my improved device, fuel is carried from a sourceof supply through the tube l which is bent at 5 so as to form a V shapedmember and thence through the tube 6 into the pilot burner 3 where it isignited. The tube 4 passes over the pilot burner 3 as shown in thedrawings so that the fuel will be preheated and better vaporized beforeentering the burner.

I attach to the side of the pilot burner 3 by a suitable means (shownhere as a band 7 attached to the pilot burner 3 by means of rivets 8 andwelds 9). a tube 10 which may be filled with toluol or any othertemperature indicating matter which tube 10 is connected through thetubing 11 with an indicating device 12.

In the drawings I have shown this indicating device in diagrammaticrelation to the operating parts hereinbefore described but in thepractical operation of my improved mechanism, it would preferably belocated upon the dash of the automobile.

The indicating mechanism 12 is so connected with the toluol or similarmatter in the tube 10 that it will register in accordance with thetemperature surrounding the said tube 10 with the consequent result thatwhen the said pilot burner 3 is burning normally, the indicating finger13 on the indicator 12 will so indicate and when the pilot burner 3 isnot burning. the indicating finger 13 will be lowered to the offposition because of the drop in temperature 0 the atmosphere coming fromthe burner 3 to the tube 10, thus notifying the operator of the vehiclethat the pilot burner 3 is not operating.

It is obvious that some changes will be made in the arrangement andcombination of the various parts of my improved device without departingfrom the spirit of the invention therein and I do not wish to limitmyself to the exact structure shown, it beingmy intention to cover by myclaim such changes as may be reasonably included 5 Within the scopethereof.

WVhat I claim is; H J j i In combination, a burner having a tubularmember adjacent thereto, said tubular member containing temperaturesensitive matter, an indicator connected With said member so thatvariationsof temperature around the said burner will be traiismittedthrough the tubular, member and the temperature sensitive matter to theindicator.

ORR C. TRASK.

